Create app.py

app.py

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+import streamlit as st
+from happytransformer import HappyTextToText, TTSettings
+from annotated_text import annotated_text
+import difflib
+from bokeh.models.widgets import Button
+from bokeh.models import CustomJS
+from streamlit_bokeh_events import streamlit_bokeh_events
+
+checkpoint = "team-writing-assistant/t5-base-c4jfleg"
+
+def diff_strings(a, b):
+  result = []
+  diff = difflib.Differ().compare(a.split(), b.split())
+  replacement = ""
+  for line in diff:
+    if line.startswith("  "):
+      if len(replacement) == 0:
+        result.append("  ")
+        result.append(line[2:])
+      else: 
+